Polkis a county in Wisconsin. It was formed in 1853 from St. Croix County. Polkis began keeping birth records in 1867, marriage records in 1855, and death records in 1865. It began keeping land records in 1853, probate records in 1855, and court records in 1859. For more information, contact the county at 100 Polk County Plaza, Balsam Lake 54810. On the attached map, Polkis is located at D1.